Why doesnt my zte max xl get fb notifications

On all my Samsung phones I would get a # by my icon letting me know to check my fb or my fbm. Does anyone else have this problem and mayb know how to fix. I can get notifications on my notification bar but that gets really annoying specialty is ur sleeping. In advance Ty if u can help

What launcher are you using? I'm not sure if ZTE supports notifications for apps in their icons. You might need to try a different launcher such as Nova Launcher Prime with Tesla Unread, or Action Launcher.